instruction stringlengths 15 30k |
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What's the largest number you can spell with an isogram? |
Well after reading the story I ran across this sentence, im going to quote "The homeless man didn't speak english well and seemed kinda crazy, "I did no murder, i asking for money for food. Hungry, haven't eat couple days".". Now this homeless dude is "Crazy", asking for food? Saying he has done no murder? This would l... |
"After the minute passes, if the answer is correct, the doors open"
>! So before the minute passes, the doors stay shut even if the answer is correct. You get a minute to shout out as many answers the way Marky Mark shouts out women's names in the film _Ted_. If one of them is correct before ["Ja Da" finishes](http:... |
Two loopholes:
1. We can deflate the balls, which will decrease the volume taken up by them. In this case the amount will depend by the width of the "skin" of the ball.
2. We take "the ball" that is 1cm in diameter and many other balls that are of smaller sizes. Since we can potentially mathematically assume them t... |
Let's say you have a donut. You are allowed to slice it 3 times. Each slice must be a perfectly straight cut. What is the highest number of donut pieces you can end up with after 3 slices?
Assume that no crumbs are created during the slicing.
Also assume that no pieces move until after you have finished all 3 ... |
Slicing a donut 3 ways - what's the most number of pieces? |
Let's say you have a donut. You are allowed to slice it 3 times. Each slice must be a perfectly straight cut. What is the highest number of donut pieces you can end up with after 3 slices?
Assume that no crumbs are created during the slicing.
Also assume that no pieces move until after you have finished all 3 ... |
(A) Which word means "to push hard" and if it is written backwards it means "to spoil"?
(B) A synonym of this word is "stalemate" and written backwards a synonym of the transformed word is "department". Which word?
(C) A synonym of this word is "deviate" and written backwards a synonym of the transformed word is ... |
What is the word? |
1. Which word means "to push hard" and if it is written backwards it
means "to spoil"?
2. A synonym of this word is "stalemate" and written backwards a
synonym of the transformed word is "department". Which word?
3. A synonym of this word is "deviate" and written backwards a
synonym of t... |
What are these words? |
What can't I buy? |
Find my two numbers:
1. Both are positive integers.
2. Their difference is a prime.
3. Their product is a perfect square.
4. Their sum's last digit is 3.
Bonus: Can you show how many solutions exist? |
If I give you one of each letter in the alphabet what's the largest you can spell (in word form)?
**Bonus: What's the smallest?**
**Bonus 2: What if you can use the words "minus", "plus" and "times"?** |
What's the largest number you can spell? |
Last year, December 21, 2013, you were awarded the "#1 Detective in the World" for solving more than 50 murders. Your boss gave you a promotion, contingent upon your moving to Chicago. You agreed and took your new position. Your boss told you that you would be taking a plane to Chicago, the ticket and everything alread... |
You simply need to ask Abigail:
"Is Lucy older than Eleanor?"
Marry the sister she indicates as younger.
Explanation:
- If Abigail is the eldest: She is telling the truth, and so marrying
the person she indicates as the youngest is marrying the person who
is always lying, which is acceptable.
- I... |
You simply need to ask Abigail:
"Is Lucy older than Eleanor?"
Marry the sister she indicates as younger.
Explanation:
- If Abigail is the eldest: She is telling the truth, and so marrying
the person she indicates as the youngest is marrying the person who
is always lying, which is acceptable.
- I... |
You simply need to ask Abigail:
"Is Lucy older than Eleanor?"
Marry the sister she indicates as younger.
Explanation:
- If Abigail is the eldest: She is telling the truth, and so marrying
the person she indicates as the youngest is marrying the person who
is always lying, which is acceptable.
- I... |
Name the sisters A, B and C. A is the one who came to you. You now ask her:
"You are the oldest $\oplus$ B is the middle sister?"
If you get back the answer yes, then B is either the youngest or the oldest - pick B.
If you get back the answer no, then C is either the youngest or the oldest - pick C.
This hi... |
Name the sisters A, B and C. A is the one who came to you. You now ask her:
"You are the oldest $\oplus$ B is the middle sister?"
If you get back the answer yes, then B is either the youngest or the oldest - pick B.
If you get back the answer no, then C is either the youngest or the oldest - pick C.
This hi... |
There are n jellybeans in a bottle with unknown dimensions. What is the only surefire way of knowing how many n are in the bottle? |
1. Rocky the dog is alive.
2. Rocky the dog is dead.
3. Exactly one of statements 6 and 9 is true.
4. Exactly one of statements 2 and 6 is false.
5. Statements 4, 5 and 10 are all false.
6. Exactly one of statements 1 and 10 is false.
7. Exactly 5 statements are true.
8. Exactly one of statements 3 and 1... |
Is the dog dead or alive? |
First off, I find it odd that while it seems that the action is placed in Chicago, I can't actually find a Peele street (or boulevard or avenue etc.) on the city map.
Additionally, it seems to me like the *"red markings"* are a red herring of sorts. Given that the body is found at the intersection of Peele and Mai... |
First off, I find it odd that while it seems that the action is placed in Chicago, I can't actually find a Peele street (or boulevard or avenue etc.) on the city map.
Additionally, it seems to me like the *"red markings"* are a red herring of sorts. Given that the body is found at the intersection of Peele and Mai... |
First off, I find it odd that while it seems that the action is placed in Chicago, I can't actually find a Peele street (or boulevard or avenue etc.) on the city map.
Additionally, it seems to me like the *"red markings"* are a red herring of sorts. Given that the body is found at the intersection of Peele and Mai... |
Consider two breeding strategies of the fictional Furble. Dominator Furbles can fight for a breeding territory, and if they win, will be able to rear 10 offspring. An alternative is to share territory with another Furble which will allow each to rear 5 offspring. Sharers who attempt to share with dominaters will be ... |
We are tasked with cracking a code. One hint was
>Was wir wissen, ist ein Ozean;
>was wir nicht wissen, ist ein Tropfen.
German for:
> What we know is an ocean, what we don't know, is a drop.
What is the password?
The site can be found [here][1].
English translations for Finnish words:
- taso ... |
We are tasked with finding a password. Our only hint seems to be:
>Was wir wissen, ist ein Ozean;
>was wir nicht wissen, ist ein Tropfen.
German for:
> What we know is an ocean, what we don't know, is a drop.
What is the password?
The site this is from can be found [here][1].
English translations f... |
Consider two breeding strategies of the fictional Furble. Dominator Furbles can fight for a breeding territory, and if they win, will be able to rear 10 offspring. An alternative is to share territory with another Furble which will allow each to rear 5 offspring. Sharers who attempt to share with dominatprs will be ... |
Consider two breeding strategies of the fictional Furble. Dominator Furbles can fight for a breeding territory, and if they win, will be able to rear 10 offspring. An alternative is to share territory with another Furble which will allow each to rear 5 offspring. Sharers who attempt to share with dominatprs will be ... |
Consider two breeding strategies of the fictional Furble. Dominator Furbles can fight for a breeding territory, and if they win, will be able to rear 10 offspring. An alternative is to share territory with another Furble which will allow each to rear 5 offspring. Sharers who attempt to share with dominatprs will be ... |
First off, I find it odd that while it seems that the action is placed in Chicago, I can't actually find a Peele street (or boulevard or avenue etc.) on the city map.
Additionally, it seems to me like the *"red markings"* are a red herring of sorts. Given that the body is found at the intersection of Peele and Mai... |
Imagine a game of connect 4 where Player1 wins by Player2 connecting 4, and Player2 wins by forcing the board into a filled board without any 4-in-a-rows. A tie happens if Player1 connects 4.
Now Let's assume neither of them want to tie.
My question is, with perfect play by both players, will the game result in a... |
This question is from a test for exception IQ, which was previously on the internet but has since been removed.
Consider two breeding strategies of the fictional Furble. Dominator Furbles can fight for a breeding territory, and if they win, will be able to rear 10 offspring. An alternative is to share territory wi... |
May it be "Graviton", it is an hypothetical elementary particle that mediates the force of gravitation.
It is small "like a drop", unknown, related to Newton (Gravity) and proposed by Einstein (for some reason the phrase is in German) also Einstein General Relativity changed some concepts from Newtons original theory... |
Once upon a time, there was a beautiful girl who had a lot of lovers. Every guy wanted to marry her, be with her. Giving a lot of options, she had reduced the candidates from 128 to 2. Yet, it was impossible to make her mind anymore, both of the candidates were almost equal. Thus, she decided to play the "patience game... |
In a standard game of checkers what's the maximum amount of kings a player can get, and what is the move sequence? |
How many Kings can you Achieve? |
This is Part 2 of the Murder of the President brainteaser/riddle series. If you have not already, you might want to see the answer for [Murder of the President - Part 1](http://puzzling.stackexchange.com/questions/3600/murder-of-the-president-part-1) posted by Nit before you begin to work on Part 2. Each part will give... |
I have just thought about an interesting problem in classical propositional logic to propose at this forum, but lost my notes... I do recall, however, that the problem involved a particular contingent sentence with three atomic variables, $p$, $q$ and $r$. This first sentence contained exactly two occurrences of conne... |
What could have been the sentences I was thinking about? |
I have just thought about an interesting problem in classical propositional logic to propose at this site, but lost my notes... I do recall, however, that the problem involved a particular contingent sentence with three atomic variables, $p$, $q$ and $r$. This first sentence contained exactly two occurrences of connec... |
It's
>! you, since you're not surprised hearing that you're needed at the intersection of Main and Peele.
>! But you don't seem to know _why_ you're not surprised. You keep having flashbacks of your promotion, but you don't want to go! You like it here in [Everetts][everetts]. That's why you killed your boss, while... |
*This is part 1 of a series of multiple parts about a takeover of all the computers on earth.*
You are an elite hacker working very high up in the government you handle many important tasks. Recently you've been called in for a very special mission, all the computers across the globe are being locked down!
The wo... |
*This is part 1 of a series of multiple parts about a takeover of all the computers on earth.*
You are an elite hacker working very high up in the government you handle many important tasks. Recently you've been called in for a very special mission, all the computers across the globe are being locked down!
The wo... |
A colleague recently sent you the following puzzle in an email.
"*ejsy lomf pg vpsy vsm pm;u nr [iy pm ejrm oy od ery*"
What should your reply be? To make it more fun, reply in the same language.
|
A man was shot dead in his car. The doors are closed, and locked. The windows are up. The keys are in the ignition. It's clear from the fragmentation around the bullet hole in the front windshield that the shot came from the inside of the car.
On inspection of the crime scene it quickly becomes apparent that the kil... |
This question was previously from the *Haselbauer - Dickheiser Test For Exceptional Intelligence*, a test that was previously available on the website www.highiqosociety.com, but was removed several years ago.
Consider two breeding strategies of the fictional Furble. Dominator Furbles can fight for a breeding terr... |
There are some weights on the two sides of a balance scale. The mass of each weight is an integer number of grams, but no two weights on the same side of the scale share the same mass. At the moment, the scale is perfectly balanced, with each side weighing a total of W grams.
Suppose W is less than the number of weigh... |
A drawer contains a mixture of red socks and blue socks, at most 2014 in total. It so happens that, when two socks are selected randomly without replacement, there is a probability of precisely 2/3 that both are red or both are blue.
What is the maximum possible number of red socks in the drawer that is consistent w... |
1. Rocky the dog is alive.
2. Rocky the dog is dead.
3. Exactly one of statements 6 and 9 is true.
4. Exactly one of statements 2 and 6 is false.
5. Statements 4, 5 and 10 are all false.
6. Exactly one of statements 1 and 10 is false.
7. Exactly 5 statements are true.
8. Exactly one of statements 3 and 1... |
There are 4 answers:
>! 1. T, 2. F, 3. T, 4. F, 5. F, 6. F, 7. T, 8. F, 9. T, 10. T, 11. F
>! 1. T, 2. F, 3. T, 4. F, 5. F, 6. F, 7. F, 8. F, 9. T, 10. T, 11. F
>! 1. F, 2. T, 3. T, 4. F, 5. F, 6. T, 7. T, 8. F, 9. F, 10. T, 11. F
>! 1. F, 2. T, 3. T, 4. F, 5. F, 6. T, 7. F, 8. F, 9. F, 10. T, 11. F
>!
... |
There are 4 answers:
>! 1. T, 2. F, 3. T, 4. F, 5. F, 6. F, 7. T, 8. F, 9. T, 10. T, 11. F
>! 1. T, 2. F, 3. T, 4. F, 5. F, 6. F, 7. F, 8. F, 9. T, 10. T, 11. F
>! 1. F, 2. T, 3. T, 4. F, 5. F, 6. T, 7. T, 8. F, 9. F, 10. T, 11. F
>! 1. F, 2. T, 3. T, 4. F, 5. F, 6. T, 7. F, 8. F, 9. F, 10. T, 11. F
>!
... |
This same problem also appears here: http://perplexus.info/show.php?pid=9271
> A drawer contains a mixture of red socks and blue socks, at most 2014
> in total. It so happens that, when two socks are selected randomly
> without replacement, there is a probability of precisely 2/3 that both
> are red or both ar... |
Source: [Australian Mathematical Society Gazette Puzzle Corner 35][1]
> There are some weights on the two sides of a balance scale. The mass
> of each weight is an integer number of grams, but no two weights on
> the same side of the scale share the same mass. At the moment, the
> scale is perfectly balanced, wit... |
This question was previously from the *Haselbauer - Dickheiser Test For Exceptional Intelligence*, a test that was previously available on the website www.highiqosociety.com, but was removed several years ago.
> Consider two breeding strategies of the fictional Furble. Dominator
> Furbles can fight for a breeding... |
which one is the correct answer of the following picture? What is the algorithm of shapes sequence?
![enter image description here][1]
[1]: https://i.stack.imgur.com/Cdo2q.png |
What is the next shape? |
There are 2 answers:
>! 1. T, 2. F, 3. T, 4. F, 5. F, 6. F, 7. T, 8. F, 9. T, 10. T, 11. F
>! 1. T, 2. F, 3. T, 4. F, 5. F, 6. F, 7. F, 8. F, 9. T, 10. T, 11. F
>!
>! So, answers 1,3,9 and 10 are definitely true and Rocky is alive.
And here is the long story why
>! 10. "Exactly one of statements 1 and 2... |
There are 2 solutions:
>! 1. T, 2. F, 3. T, 4. F, 5. F, 6. F, 7. T, 8. F, 9. T, 10. T, 11. F
>! 1. T, 2. F, 3. T, 4. F, 5. F, 6. F, 7. F, 8. F, 9. T, 10. T, 11. F
>!
>! So, answers 1,3,9 and 10 are definitely true and Rocky is alive.
And here is the long story why
>! 10. "Exactly one of statements 1 and... |
First off, I find it odd that while it seems that the action is placed in Chicago, I can't actually find a Peele street (or boulevard or avenue etc.) on the city map.
Additionally, it seems to me like the *"red markings"* are a red herring of sorts. Given that the body is found at the intersection of Peele and Mai... |
I have just thought about an interesting problem in classical propositional logic to propose at this site, but lost my notes... I do recall, however, that the problem involved a particular contingent sentence with three atomic variables, $p$, $q$ and $r$. This first sentence contained exactly two occurrences of connec... |
I have just thought about an interesting problem in classical propositional logic to propose at this site, but lost my notes... I do recall, however, that the problem involved a particular contingent sentence with three atomic variables, $p$, $q$ and $r$. This first sentence contained exactly two occurrences of connec... |
It's
>! you, since you're not surprised hearing that you're needed at the intersection of Main and Peele.
>! But you don't seem to know _why_ you're not surprised. You keep having flashbacks of your promotion, but you don't want to go to Chicago! You like it here in [Everetts][everetts]. That's why you killed your ... |
*This is part 1 of a series of multiple parts about a takeover of all the computers on earth.*
You are an elite hacker working very high up in the government you handle many important tasks. Recently you've been called in for a very special mission, all the computers across the globe are being locked down!
The wo... |
In a standard American game of checkers what's the maximum amount of kings a player can get, and what is the move sequence?
**Keeping in mind the force capture rule** |
This is Part 2 of the Murder of the President brainteaser/riddle series. If you have not already, you might want to see the answer for [Murder of the President - Part 1](http://puzzling.stackexchange.com/questions/3600/murder-of-the-president-part-1) posted by Nit before you begin to work on Part 2. Each part will give... |
Four guard towers are situated in a square formation of side length 1km. A general wants to build roads to connect the towers so that one can walk from any tower to any tower along the roads, possibly passing through towers. The size of the towers is too small to matter; think of them as points.
What is the smalles... |
Look at Nick R's answer.
>"This is on the right track, but wrong noneoftheless" - OP (warspyking)
Brown because when you mix yellow, red and blue you get brown.
https://answers.yahoo.com/question/index?qid=20120328201707AAZNGvj |
*This is part 1 of a series of multiple parts about a takeover of all the computers on earth.*
You are an elite hacker working very high up in the government you handle many important tasks. Recently you've been called in for a very special mission, all the computers across the globe are being locked down!
The wo... |
Look at Nick R's answer.
>"This is on the right track, but wrong noneoftheless" - OP (warspyking)
Brown because when you mix yellow, red and blue you get brown.
https://answers.yahoo.com/question/index?qid=20120328201707AAZNGvj
Edit in response to "it's all numbers":
Nobody has a answer yet so I will continu... |
Let's decode the briefcase numbers first.
You mention that the codes are 8 numbers, 4 numbers, and 2 numbers respectively. My best guesses as to how to solve them are as follows.
1. There's nothing quite relevant to the letter "C" (in the form of the programming language, the roman numeral, or anything else) that... |
I dropped in on Ernie a while ago and he told me that there was "good news and bad news". I asked him to tell me about it and he explained as follows: "Remember my Casimir-effect electric motor and how it always used to overheat? The good news is that I have increased its efficiency, so now it won't overheat any more".... |
*This is part 1 of a series of multiple parts about a takeover of all the computers on earth.*
You are an elite hacker working very high up in the government you handle many important tasks. Recently you've been called in for a very special mission, all the computers across the globe are being locked down!
The wo... |
What if we concatenate the decimal representations of all three colors, in the order they appear on the screen?
- Yellow is 2552550
- Blue is 00255
- Red is 25500
If each of the RBG values needs to be three digits long, the values are 255255000, 000000255, and 255000000.
So my guess is either `25525500025525... |
In an alternative universe where the following is true:
1 # 1 = 3
2 # 2 = 7
1 # 2 = 5
What would ? be?
5 # 5 = ?
YOU DO NOT NEED THE FOLLOWING TO FINISH:
Extra equations:
>!3 # 3 = 11, 4 # 4 = 15 |
*This is part 1 of a series of multiple parts about a takeover of all the computers on earth.*
You are an elite hacker working very high up in the government you handle many important tasks. Recently you've been called in for a very special mission, all the computers across the globe are being locked down!
The wo... |
A car starts distance 1 from a wall then drives away at constant speed $ c $. There is length of elastic tied between the wall and the car. Remarkably, this doesn't affect the motion of the car (in reality the elastic would snap or its tension slow the car).
Meanwhile, an ant crawls from the wall on to the elastic ... |
Will the ant reach the car? |
A car starts distance 1 from a wall then drives away at constant **acceleration** $c$. There is length of elastic tied between the wall and the car. Remarkably, this doesn't affect the motion of the car (in reality the elastic would snap or its tension slow the car).
Meanwhile, an ant crawls from the wall on to the ... |
Last year, December 21, 2013, you were awarded the "#1 Detective in the World" for solving more than 50 murders. Your boss gave you a promotion, contingent upon your moving to Chicago. You agreed and took your new position. Your boss told you that you would be taking a plane to Chicago, the ticket and everything alread... |
A car starts distance 1 from a wall then drives away at constant **acceleration** $c$. There is length of elastic tied between the wall and the car. Remarkably, this doesn't affect the motion of the car (in reality the elastic would snap or its tension slow the car).
Meanwhile, an ant crawls from the wall on to the ... |
Last year, December 21, 2013, you were awarded the "#1 Detective in the World" for solving more than 50 murders. Your boss gave you a promotion, contingent upon your moving to Chicago. You agreed and took your new position. Your boss told you that you would be taking a plane to Chicago, the ticket and everything alread... |
Jenny works in an office with four other colleagues and someone has been using her milk. She finds this very annoying as she likes her mid-afternoon tea and she simply can't enjoy the second half of her day if she has to drink black tea instead.
Deciding that enough is enough Jenny decides to do something about it, ... |
Who's been stealing Jenny's milk? |
Last year, December 21, 2013, you were awarded the "#1 Detective in the World" for solving more than 50 murders. Your boss gave you a promotion, contingent upon your moving to Chicago. You agreed and took your new position. Your boss told you that you would be taking a plane to Chicago, the ticket and everything alread... |
>! it's Bill
They only steals it on the days John is in though that's why they weren't caught red handed.
If she was going to waste two weeks why didn't she just watch the fridge? |
>! it's Bill
They only steal it on the days John is in though that's why they weren't caught red handed.
If she was going to waste two weeks why didn't she just watch the fridge?
Based on the first set of clues you would assume it was John because it's only stolen on the days he's there. However she followed h... |
This 'cake division by lines' problem was used as an example in one of the lectures I attended at business school.
I've searched and it doesn't seem to be on the site yet, so here it is:
> You have a cake and a knife.
> You may cut the cake, with the knife, three times, in any direction.
> You may *not* ... |
There are 4 interns at the new government agency. All 4 are comp sci majors. John is the only male. The three girls are all close but secretly like John. Lisa is playing hard to get and hopes John will make a move but could trick John into asking her out. Anne likes John and flirts openly but repeatedly tells everyone ... |
This 'cake division by lines' problem was used as an example in one of the lectures I attended at business school.
I've searched and it doesn't seem to be on the site yet, so here it is:
> You have a cake and a knife.
> You may cut the cake, with the knife, three times, in any direction.
> You may *not* br... |
A car starts distance 1 from a wall then drives away at constant **acceleration** $c$. There is length of elastic tied between the wall and the car. Remarkably, this doesn't affect the motion of the car (in reality the elastic would snap or its tension slow the car).
Meanwhile, an ant crawls from the wall on to the ... |
[War has broken out in the kingdom.][1] The king's castle is guarded pretty heavily, by guards with instructions to kill anyone who can't produce the correct password.
Unbeknownst to the guards, the beggars near the main gate are in fact enemy spies. They listen intently as the first knight approaches. "Six!", the g... |
What's the Password, again? |
A car starts distance 1 from a wall then drives away at constant speed $ c $. There is a length of elastic tied between the wall and the car. Remarkably this doesn't affect the motion of the car (in reality the tension would slow the car).
Meanwhile, an ant crawls from the wall onto the elastic and then towards the... |
Tomorrow you will meet three sisters, and be married to one of them. The eldest always tells the truth, the youngest always lies. The middle sister lies or tells the truth at random. Knowing this, **you would like to marry the either the eldest or the youngest**—so you'll know where you stand.
Conscious to their own... |
>! The ant never reaches the car, if the car is fast enough.
At time $t$, the velocity of the car is $ct$, and the length of the rope is $1+\frac12ct^2$. Track the fractional progress of the ant, who starts 0% of the way along the rope and wishes to reach the car positioned at 100%.
At time $t$, the ant's fractio... |
It's a guess, but does it have something to do with how the spies are dressed?
>! You specifically talk about the spies listening and not talking. Perhaps they are dressed as blind beggars? Then the problem isn't what they're hearing, but what they aren't seeing.
>!
>!My guess is that the soldiers are holding u... |
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